quadrupole
noun
quad·ru·pole ˈkwä-drə-ˌpōl 
: a system composed of two dipoles of equal but oppositely directed moment
Example Sentences
Recent Examples on the Web The global magnetic field also has quadrupole and octopole components, which make its actual geometry something like a playground jack with extra spikes. 
Adam Davidson, The New Yorker, 13 Feb. 2017
Adam Davidson, The New Yorker, 13 Feb. 2017 Word History
Etymology
International Scientific Vocabulary quadri- + pole
First Known Use
1922, in the meaning defined above
- breaking out
- breaking out (of)
- breaking out (with)
- breaking out of
- breaking out with
- breaking piece
- breaking plow
- breaking point
- breaking points
- breaking strength
- breaking stress
- breaking the law
- breaking through
- breaking up
- breaking with
- breakings
- breakless
- breakneck
- breaknecker
- breakneckest
- breakoffs
- breakout
- breakout session
- breakout sessions
- breakouts